... collector, solar water heater, solar collector, evacuated tube & heat pipe, solar renewable energyApricus advantages1. Solar Keymark, SRCC, CSA, ... : ECu-58); Potable water rated.Brazing rod: BAg45CuZn Maximum pressure: 800kPaConnection Options: 7/8” OD copper (US size), 19 ... absorbs sunlight and converts it into heat.Step 2: Steam forms inside heat pipe which transfers heat rapidly up to the manifold. ...